LTC3564_15 Datasheet, PDF (5/20 Pages) Linear Technology – 2.25MHz, 1.25A Synchronous Step-Down Regulator

LTC3564
TYPICAL PERFOR A CE CHARACTERISTICS T_A = 25°C, V_IN = 3.6V, unless otherwise specified.
R_DS(ON) vs Temperature
0.30
0.25
0.20
MAIN SWITCH
0.15
SYNCHRONOUS SWITCH
0.10
0.05
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3564 G10
Supply Current vs Supply Voltage
35
30
25
20
15
10
2.5
3.0 3.5 4.0 4.5 5.0 5.5
SUPPLY VOLTAGE (V)
3564 G11
Supply Current vs Temperature
40
V_IN = 3.6V
RUN = V_IN
35 I_LOAD = 0A
30
25
20
15
10
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3564 G12
Switch Leakage vs Temperature
600
SYNCHRONOUS SWITCH
MAIN SWITCH
500
400
300
200
100
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
3564 G13
Switch Leakage vs Input Voltage
2500
RUN = 0V
2000
1500
MAIN
SWITCH
1000
500
0
0
SYNCHRONOUS
SWITCH
1
2
3
4
INPUT VOLTAGE (V)
56
3564 G14
3564f
5